Central Boiler Inc.- WoodMaster Classic Edge 865 is a non-catalytic hydronic heater from Central Boiler Inc.- WoodMaster with 83% HHV efficiency and a 33,629–237,755 BTU/h output range.
General
Appliance type
hydronic-heater
Combustion technology
Non-Catalytic Stove
Certified fuel
Cord Wood
Covered model numbers
Classic Edge 865, CleanFire 1800
Efficiency
Efficiency (HHV)
83 %
Heat output
Heat output (low)
33629 BTU/h
Heat output (high)
237755 BTU/h
Firebox volume
22.68 cu ft
Emissions
Carbon monoxide
1.54 g/min
Certification
25C tax credit eligible (≥75% HHV)
Yes
2020 NSPS compliant
Yes
Currently in production
Yes
EPA certification number
55HH-25
What space does the Central Boiler Inc.- WoodMaster Classic Edge 865 suit?
The 22.68 cu ft firebox puts it in the large-home, overnight-burn
class.
Certified burning Cord Wood — the test fuel closest to real-world firewood.
Is the Central Boiler Inc.- WoodMaster Classic Edge 865 EPA certified?
Yes, the Central Boiler Inc.- WoodMaster Classic Edge 865 is on the EPA's current list of certified wood heaters (certification number 55HH-25) and meets the 2020 NSPS Step 2 emission limits.
Does the Central Boiler Inc.- WoodMaster Classic Edge 865 qualify for a federal tax credit?
No — the federal 25C credit for biomass stoves was terminated for property placed in service after December 31, 2025. The Central Boiler Inc.- WoodMaster Classic Edge 865's certified efficiency is 83% HHV, which met the credit's ≥75% HHV threshold while it existed. State and local incentive programs may still apply — check your state energy office and air district.
